Intellectual disability can affect motor skills, but if motor impairment exceeds a certain point then the diagnosis for developmental coordination disorder can be made. 

New Mexico Highlands University

Differential diagnoses to Developmental coordination disorder include:
- Motor impairments due to another medical condition
- Intellectual Developmental Disorder
- Attention-Deficit/Hyperactivity Disorder (ADHD)
- Autism Spectrum Disorder
- Joint Hypermobility Syndrome

Differential Diagnoses to Developmental Coordination Disorder 

American Psychiatric Association. (2013). Diagnostic and statistical manual of mental disorders (5th ed., Text revision). https://doi.org/10.1176/appi.books.9780890425596

DSM-5-TR

Coordination issues relate to visual impairment and certain neurological conditions, including cerebral palsy, neuromuscular disorders, and ongoing lesions in the cerebellum. 

Motor Impairments Due to Another Medical Condition as a Differential Diagnosis to Developmental Coordination Disorder

Intellectual Developmental Disorder (Intellectual Disability) as a Differential Diagnosis to Developmental Coordination Disorder 

Those with ADHD may trip, and bump into things due to distractibility and impulsiveness. Careful observation is needed to see if motor impairment is due to that. 

Attention-Deficit/Hyperactivity Disorder (ADHD) as a Differential Diagnosis to Developmental Coordination Disorder

Those with autism spectrum disorder may be uninterested in tasks involving complex coordination. Co-occurrence of autism spectrum disorder  and developmental coordination disorder is common.

Autism Spectrum Disorder as a Differential Diagnosis to Developmental Coordination Disorder 

These individuals have extreme mobility of the joints, often without pain. 

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